SOLUTION: 3) Jacob has three liters of 80% acid. How much acid should he add to make a solution that is 85% acid?
2) How much water should be added to four liters of 70% alcohool to mak
Algebra.Com
Question 765676: 3) Jacob has three liters of 80% acid. How much acid should he add to make a solution that is 85% acid?
2) How much water should be added to four liters of 70% alcohool to make s mixture of 28% alcohol?
4) Sarah wants to make 60% citric acid . If she has 1/2 liters of 0% citric acid, how many liters of 70% citric acid should she add?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
3) Jacob has three liters of 80% acid. How much acid should he add to make a solution that is 85% acid?
------
Equation:
acid + acid = acid
0.80*3 + 1.00x = 0.85(3+x)
---
Multiply thru by 100 to get:
80*3 + 100x = 85*3 + 85x
15x = 5*3
x = 1 liter (amt. of pure acid to add)
=============================================
Note:: Your next two problems can be worked the same way.
Get back to me if you have trouble.
------------------------
Cheers,
Stan H.
===============
2) How much water should be added to four liters of 70% alcohool to make s mixture of 28% alcohol?
4) Sarah wants to make 60% citric acid . If she has 1/2 liters of 0% citric acid, how many liters of 70% citric acid should she add?
RELATED QUESTIONS
Ryan has six liters of 74% acid. How much acid should he add to make a solution that is... (answered by josgarithmetic)
Jorge has four liters of 30% acid solution. How much water should he add to make a 25%... (answered by lwsshak3)
1) Michael works at the EdHelper Juice company which makes juice. The company's most... (answered by josgarithmetic)
Anna has 6 liters of 60% acid. How much water should she add to make a solution that is... (answered by stanbon)
A chemist has 40 mL of a solution that is 50% acid. How much water should he add to make (answered by Paul)
A chemist has 40mL of a solution that is 50% acid. How much water should he add to make a (answered by josgarithmetic)
A pharmacist has 6 liters of an 8% boric acid solution. How much water should he add to... (answered by Edwin McCravy,josmiceli)
4) Natalie has a brand of peanut oil, which has 30% oil. Stephanie has a brand of olive... (answered by stanbon)
Bubba has 48 ml of a solution that is 25% acid. How much water should he add to obtain a... (answered by Alan3354,ikleyn,greenestamps,josgarithmetic)